Novel processing technique to fabricate a three-dimensional silver-polystyrene photonic band gap crystal

M. Diop; G. Maurin; Amir Tork; Roger A. Lessard

doi:10.1117/1.1489049

1 August 2002 Novel processing technique to fabricate a three-dimensional silver-polystyrene photonic band gap crystal

M. Diop, G. Maurin, Amir Tork, Roger A. Lessard

Optical Engineering, Vol. 41, Issue 8, (August 2002). https://doi.org/10.1117/1.1489049

We develop a novel processing technique to fabricate a 3-D photonic bandgap material by filling the voids between the microspheres of a polystyrene colloidal crystal with silver. The transmission and reflection spectra of the composite crystal show an enlargement of the band- gap situated at a/? = 0.63 and the apparition of a second one, not predicted by the plane waves method, at a/? = 1.20 due to the increase of the dielectric contrast in the novel crystal in comparison with the pure colloidal polystyrene crystal. We also observe a shift of the first peak to the higher frequencies because of the decrease of the average refractive index in the composite crystal.

©(2002) Society of Photo-Optical Instrumentation Engineers (SPIE)

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M. Diop, G. Maurin, Amir Tork, and Roger A. Lessard "Novel processing technique to fabricate a three-dimensional silver-polystyrene photonic band gap crystal," Optical Engineering 41(8), (1 August 2002). https://doi.org/10.1117/1.1489049

Published: 1 August 2002

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